Dev Builds » 20240521-0604

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:50:39 584599 4000 1479 622 1899 +75.61 ± 5.03 2 130 894 957 17 +155.97 ± 11.35
ncm-dbt-02 06:52:10 587603 4000 1483 658 1859 +72.7 ± 4.96 3 129 916 944 8 +151.35 ± 11.2
ncm-dbt-03 06:50:57 586821 4000 1477 646 1877 +73.25 ± 5.06 2 143 889 954 12 +151.56 ± 11.4
ncm-dbt-04 06:51:58 571571 4024 1478 591 1955 +77.86 ± 4.97 1 124 889 983 15 +161.45 ± 11.38
ncm-dbt-05 06:50:59 584000 3976 1473 604 1899 +77.18 ± 4.99 3 121 879 974 11 +161.11 ± 11.45
20000 7390 3121 9489 +75.32 ± 2.24 11 647 4467 4812 63 +156.26 ± 5.08

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
385351 ncm-dbt-04 571391 24 8 3 13 +73.45 ± 79.58 0 2 3 7 0 +154.14 ± 218.11
385350 ncm-dbt-05 585590 476 196 63 217 +99.73 ± 13.95 0 8 92 135 3 +212.97 ± 35.55
385349 ncm-dbt-02 589668 500 191 90 219 +71.16 ± 13.93 0 15 122 110 3 +143.89 ± 30.58
385348 ncm-dbt-01 581319 500 185 80 235 +74.06 ± 14.6 0 21 104 124 1 +153.86 ± 33.54
385347 ncm-dbt-03 588430 500 184 78 238 +74.79 ± 14.63 1 18 106 124 1 +157.24 ± 33.21
385346 ncm-dbt-04 572316 500 187 72 241 +81.36 ± 14.25 0 16 105 127 2 +169.27 ± 33.34
385345 ncm-dbt-05 581610 500 171 77 252 +66.1 ± 13.89 0 19 118 113 0 +137.37 ± 31.31
385344 ncm-dbt-02 586266 500 170 77 253 +65.38 ± 14.42 0 23 111 116 0 +135.76 ± 32.43
385343 ncm-dbt-01 586350 500 183 88 229 +66.82 ± 14.48 1 19 115 114 1 +138.99 ± 31.79
385342 ncm-dbt-03 585379 500 190 76 234 +80.63 ± 14.38 0 17 104 127 2 +167.53 ± 33.52
385341 ncm-dbt-04 567482 500 172 59 269 +79.9 ± 14.07 0 17 103 130 0 +169.27 ± 33.7
385340 ncm-dbt-05 582819 500 192 75 233 +82.83 ± 13.54 0 11 113 124 2 +172.78 ± 31.83
385339 ncm-dbt-02 587282 500 189 77 234 +79.17 ± 14.05 0 16 107 126 1 +165.8 ± 33.0
385338 ncm-dbt-01 583782 500 183 78 239 +74.06 ± 13.89 0 16 114 119 1 +153.86 ± 31.85
385337 ncm-dbt-03 587494 500 183 95 222 +61.79 ± 13.71 0 19 124 107 0 +127.76 ± 30.41
385336 ncm-dbt-04 571752 500 176 92 232 +58.93 ± 14.01 0 21 125 103 1 +119.89 ± 30.32
385335 ncm-dbt-05 583363 500 189 73 238 +82.1 ± 15.53 1 20 95 130 4 +169.27 ± 35.09
385334 ncm-dbt-03 585379 500 186 85 229 +71.16 ± 14.5 0 19 114 114 3 +143.89 ± 31.92
385333 ncm-dbt-02 587707 500 188 81 231 +75.52 ± 14.37 2 12 115 119 2 +158.93 ± 31.63
385332 ncm-dbt-01 585295 500 190 76 234 +80.63 ± 14.23 0 14 112 120 4 +164.07 ± 32.12
385331 ncm-dbt-04 571270 500 180 80 240 +70.43 ± 13.91 0 17 117 115 1 +145.54 ± 31.41
385330 ncm-dbt-05 581402 500 176 80 244 +67.55 ± 13.95 0 19 116 115 0 +140.62 ± 31.61
385329 ncm-dbt-02 588174 500 187 95 218 +64.67 ± 14.39 1 20 115 114 0 +135.76 ± 31.8
385328 ncm-dbt-03 586097 500 181 80 239 +71.16 ± 13.79 0 17 115 118 0 +148.85 ± 31.72
385327 ncm-dbt-01 585885 500 185 83 232 +71.88 ± 14.39 0 20 109 120 1 +148.85 ± 32.73
385326 ncm-dbt-04 572155 500 197 62 241 +96.19 ± 13.8 0 9 101 136 4 +202.15 ± 33.85
385325 ncm-dbt-05 585590 500 181 76 243 +74.06 ± 14.32 2 13 114 120 1 +157.24 ± 31.83
385324 ncm-dbt-02 586985 500 181 74 245 +75.52 ± 13.64 0 14 116 119 1 +157.24 ± 31.47
385323 ncm-dbt-03 583950 500 186 74 240 +79.17 ± 13.29 0 11 117 121 1 +165.8 ± 31.17
385322 ncm-dbt-01 585169 500 188 68 244 +85.04 ± 14.49 0 15 104 127 4 +174.55 ± 33.5
385321 ncm-dbt-04 574216 500 190 79 231 +78.43 ± 14.17 0 17 106 126 1 +164.07 ± 33.19
385320 ncm-dbt-05 582861 500 178 78 244 +70.44 ± 14.2 0 20 110 120 0 +147.19 ± 32.57
385319 ncm-dbt-02 585759 500 189 86 225 +72.61 ± 13.69 0 16 115 119 0 +152.18 ± 31.7
385318 ncm-dbt-01 583614 500 183 80 237 +72.61 ± 14.27 1 14 119 113 3 +148.85 ± 31.04
385317 ncm-dbt-03 589582 500 186 76 238 +77.71 ± 15.66 1 22 97 126 4 +158.93 ± 34.71
385316 ncm-dbt-04 569789 500 178 78 244 +70.44 ± 14.34 1 15 120 111 3 +143.89 ± 30.92
385315 ncm-dbt-05 588771 500 190 82 228 +76.25 ± 13.21 0 11 121 117 1 +158.93 ± 30.54
385314 ncm-dbt-01 585379 500 182 69 249 +79.9 ± 13.47 0 11 117 120 2 +165.8 ± 31.17
385313 ncm-dbt-02 588984 500 188 78 234 +77.7 ± 13.56 0 13 115 121 1 +162.35 ± 31.59
385312 ncm-dbt-04 573770 500 190 66 244 +88.0 ± 13.66 0 10 109 128 3 +183.51 ± 32.46
385311 ncm-dbt-03 588260 500 181 82 237 +69.71 ± 14.31 0 20 112 117 1 +143.89 ± 32.25

Commit

Commit ID a3bb7e626d1489bbbcc16014b16065849ec786b5
Author Stefan Geschwentner
Date 2024-05-21 06:04:44 UTC
Tweak continuation history bonus dependent on ply. This patch is based on following tuning https://tests.stockfishchess.org/tests/view/6648b2eb308cceea45533abe by only using the tuned factors for the continuation history. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 99904 W: 25865 L: 25457 D: 48582 Ptnml(0-2): 281, 11705, 25578, 12101, 287 https://tests.stockfishchess.org/tests/view/6648c136308cceea45533af8 Passed LTC: LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 36402 W: 9362 L: 9039 D: 18001 Ptnml(0-2): 20, 3952, 9951, 4241, 37 https://tests.stockfishchess.org/tests/view/6648ee3cb8fa20e74c39f3fd closes https://github.com/official-stockfish/Stockfish/pull/5267 Bench: 1917762
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